There are many nicknames for LFC fans. However, the most common is Kopites. I know because I am one. Your first answer was 'Scoucers', which should of been spelt as 'Scousers'. However, this is a term for a person from Liverpool, and not necessarily a Liverpool supporter.
The website LFC Online is dedicated to information and news about the English soccer club Liverpool FC. There is information on the history of the club, a shop with DVDs about Liverpool FC and a forum for fans to voice their opinions about the club.